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Questions tagged [science-based]

For questions that require plausible (better than suspension-of-disbelief) answers based on Real World science that are not necessarily constrained to the known limits of Real World science. Contrast with the hard-science, science-fiction and internal-consistency tags. This tag may not be used alone. This tag may not be used with the science-fiction, hard-science, or internal-consistency tags.

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3 votes
2 answers
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How could hovercraft be made an economically viable option for overland transportation?

The level of technology is mostly on par with that of the early 1970s. Hovercraft similar to the SR.N6, Bell Aerospace Voyageur and Lebed are what is available. Other methods of transport are at the ...
OT-64 SKOT's user avatar
  • 4,684
4 votes
1 answer
226 views

Would this method of lightning superpowers work?

In my previous question I mentioned a character with the ability to control electricity. I had an idea of them using Lorentz forces as a main method of offense but we found that this was extremely ...
Coolcats112's user avatar
  • 1,130
2 votes
3 answers
933 views

Air mixture in space suits?

Would there be some benefit to changing the chemical composition of 'air' in a space station/space suit (for the station: it's creating about .6 amount of gravity compared to Earth gravity via spin). ...
x-tricks's user avatar
2 votes
2 answers
121 views

What are some plausible, long-lived geophysical planetary processes which would consistently maintain reddish skies in a human-breathable atmosphere?

Note for clarity: By reddish skies I mean being reddish in the same way Earth's skies are blue. This should apply to the skies in general (not a localized effect), and it's preferable that it's an ...
PedrohSpaceWolfy's user avatar
3 votes
4 answers
617 views

multiple retinas in one eye

is it possible to have multiple retinas, would there be advantages to this? Or would it just not work at all? I have a diagram (a shitty one) and more explanation if needed Edit: sorry for the ...
spiderwriter's user avatar
2 votes
3 answers
220 views

Would a non-equatorial space elevator be feasible? [duplicate]

For context, my story is quite far in the future(not sure quite how far), and space is quite developed at this point, so elevators are a thing that have been made, although only a few. Essentially, ...
Bubbles's user avatar
  • 2,105
-1 votes
2 answers
99 views

What would it look like if space had a boundary [closed]

Space in the universe as far as we know either extends infinitely in all directions, or it is finite but one edge of the finite space is connected to the other end. Like the 2d plane on 3D torus ...
Synthia Mayhem 's user avatar
3 votes
1 answer
87 views

Fire-analog on an ammonia planet

I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 times larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with ...
Neil Iyer's user avatar
  • 1,553
2 votes
1 answer
204 views

Beryllium photosynthesis for floating plants?

I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 times larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with ...
Neil Iyer's user avatar
  • 1,553
2 votes
4 answers
140 views

How would these floating plants not need to constantly adjust their gas bladder?

I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 times larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with ...
Neil Iyer's user avatar
  • 1,553
6 votes
1 answer
136 views

What would be the long-term effects of a gas giant being hit by its moon?

I've been brainstorming ways to make the gas giants in my system more interesting, and as a result of this I thought of having one of them be hit by one of their moons (the reasons why are not ...
Pointy Orb's user avatar
4 votes
1 answer
113 views

How would these floating plants concentrate neon?

I am currently building a planet that weighs about 4 earth masses and it's radius is 2.3 larger than that of earth's. It is an ammonia planet (as the title suggests), and has ammonia oceans with some ...
Neil Iyer's user avatar
  • 1,553
7 votes
3 answers
1k views

Could variation of the universal constants affect computation?

One of the obstacles to realistic - yet interesting - space battles is that of effective computation. If all trajectories and whatnot can be computed much faster than a human could follow, it leaves ...
Spitemaster's user avatar
5 votes
0 answers
162 views

Blood on this ammonia planet

I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved water ice, ...
Neil Iyer's user avatar
  • 1,553
6 votes
3 answers
726 views

Frozen World Atmosphere?

There's a planet in my world's solar system that used to be habitable but was knocked off course. its been frozen for about 4 billion years in the present time. I'm wondering if the atmosphere would ...
Raka Holiday's user avatar
3 votes
2 answers
135 views

How to calculate the Draconic month on a fictional world

I am working on a world and want to be able to find out when Eclipses occur, and I found you need to know the Draconic Month, I think I have everything I need to find it, I have the inclination to the ...
DanceroftheStars's user avatar
5 votes
1 answer
100 views

What's an effective swimming stroke for a species with gliding membranes?

I'm writing about an alien species of lean-bodied, long-limbed bipeds who have vestigial gliding membranes stretching between their elbows and hips (female) or knees (male); see: https://...
Christopher Bennett's user avatar
0 votes
2 answers
96 views

Plausible Martian Underground Colony

I'm looking for scientifically plausible zones for pioneer colonies on Mars. I will have them living underground for radiation shielding, water sourcing, and geothermal for energy, so somewhere with ...
CS Simpson's user avatar
3 votes
3 answers
136 views

Enhanced human capable of killing any predator on land with bare hands [closed]

Basically, a genetically engineered humanoid that maxes out on all stats. Engineered to, Have a larger density of skeletal muscles. Have a high bone density Highly enhanced senses and reaction times (...
byebye's user avatar
  • 57
1 vote
0 answers
66 views

Could an organism breathe SO2 (Sulfur Dioxide) and reuse the sulfur atom for bones made of S8 (Octasulfur) and AlO3 (Aluminium Oxide)?

Problem Background I want animals on my fictional planet to use 6 SO2 (Sulfur Dioxide) instead of 6 O2 (Oxygen) to react with C6H12O6 (Glucose), to make 6 CO2 (Carbon Dioxide), ATP, 6 H2O (Water), and ...
PeanutbutterCat's user avatar
2 votes
3 answers
517 views

How could an adapting ability work?

In several pieces of media there are characters with the ability to adapt and evolve to better match their circumstances such as the robots in Versus by One and SC 682 from SCP. There is a character ...
Coolcats112's user avatar
  • 1,130
0 votes
2 answers
117 views

Geomagnetic Storm Superweapon

I have an enemy planet with advanced technology and extensive defense infrastructure. All defensive infrastructure relies on electronics. I want to destroy the infrastructure, but leave the people ...
Kronimiciad's user avatar
  • 2,621
0 votes
1 answer
146 views

Is it possible to create a Maxwell demon where entropy doesn't get stored in the brain of the "demon"?

So say for example in a hypothetical world where someone wants to extract energy but the temperature is in perfect equilibrium and they have no way of getting a thermal difference but there is a a ton ...
MiltonTheMeme's user avatar
2 votes
4 answers
151 views

observable consequences of perfect healing

What are the Consequences of Perfect Healing? Or stated another way, what short-to-mid term observable consequences would there be after altering a human being to be in a perfect state of health, ...
A_K_M's user avatar
  • 101
0 votes
2 answers
82 views

What types of themed maps should I put for my Fictional Planet? [closed]

I have been working on this Fictional Planet for about 4 years and reset a couple of times along the way. I started working on maps of the whole planet with themes. So far, I have land features, ...
PeanutbutterCat's user avatar
0 votes
0 answers
103 views

Workshopping a higher dimensions-based "magic" system?

I had this recent idea for a system which would allow for beings to defy our understanding of physics while being based on real theoretical physics, but I'd like some advice on how to make it work in ...
Pneumosisotis's user avatar
1 vote
1 answer
129 views

Magic System Based on Electronics [closed]

Lets assume mana as electrons . We have current, voltage, and resistance of a mana. Current is the flow of mana in our body, voltage as the force to make mana flowing in our body, and resistance to ...
SmartWallet3000's user avatar
6 votes
1 answer
293 views

Non-deadly gas giant moon "weeks"?

There are already a lot of questions on WB:SE about habitable gas giant moons, so I'll try and be specific: I have a gas giant of mass approximately $2\cdot10^{27}\text{ kg}$ and radius approximately ...
controlgroup's user avatar
  • 5,365
3 votes
3 answers
167 views

A Better Genetic Polymer?

This is a long one. (TLDR at the bottom) The prospect of alternative genetic polymers has attracted the interest of people for almost as long as we have known about DNA. Indeed, many alternative ...
Baron_vonCernogratz's user avatar
3 votes
2 answers
183 views

Way to make a sailing frigate dangerous in a semi-modern world

I need to find a way to make an age of sail type naval frigate comparable to those of rougly the 1770's (admittedly with some ''ahead of it's time'' design changes) a threat to a naval ship comparable ...
Blue Devil's user avatar
  • 1,891
0 votes
3 answers
112 views

Is it possible to have a hybrid gas/ice giant realistically? If so, what would it look like?

My solar system involves the inclusion of a sort of in-between gas and ice giant. Could this actually exist, or are gas and ice giants completely independent classification?
Pointy Orb's user avatar
5 votes
3 answers
236 views

Is it possible to have an ocean moon orbit a large ice giant via tidal forces and a greenhouse effect within the moon?

I am trying to make a moon orbiting a large ice giant that has a liquid ocean via this thought process: The moon has high eccentricity (though it is still in spherical shape), so raw tidal forces ...
Pointy Orb's user avatar
6 votes
2 answers
405 views

Could nanotechnology have the ability to control the weather?

In a short story I am writing I have a magic system that involves nanotech left behind from an ancient advanced civilisation that can allow for magic like effects. In this story the characters ...
Coolcats112's user avatar
  • 1,130
3 votes
3 answers
572 views

How could an alien race convert an Oxygen-Nitrogen atmosphere into a Methane one?

For a story I'm working on, humanity meets an alien race of aggressive methane breathers, whose technology is as much biological as it is mechanical. When they locate a suitable planet for ...
Hewholooksskyward's user avatar
4 votes
2 answers
270 views

Xeno Nucleic acids on an ammonia planet

Background I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved ...
Neil Iyer's user avatar
  • 1,553
-2 votes
1 answer
108 views

Gravity changes in relation to different sizes of celestial objects

The Problem I changed the circumference of some of my world's celestial objects. How can I calculate the object's new gravity? The density of the objects is still the same as it would originally be - ...
Fallenspacerock's user avatar
3 votes
0 answers
80 views

Roughly how big could the tidal range be on a human habitable Earth analogue world?

The Gravitational tidal forces can be supplied by any orbiting moon(s)/twin planet(s) of any mass and any orbital radius, inclination or orbital radius, but the system must be stable for at least 10,...
Slarty's user avatar
  • 37.9k
4 votes
3 answers
138 views

Radiosynthesis using radon?

I have made a few chemosynthetic and photosynthetic organisms as bases of the food chain for my worldbuilding project, and I thought why not make a radiosynthetic one? Radon forms from the decay of ...
Neil Iyer's user avatar
  • 1,553
4 votes
1 answer
425 views

What are the tidal implications of The Moon having a moon?

This is my first post. I apologise for any infractions I may have committed, I will try to be better in my next posts. To clarify, this question is not about if Earth had 'two moons'. This is instead ...
Rory 02's user avatar
  • 191
3 votes
5 answers
202 views

Would things engineered to work on earth work ok in 1.25 times earth gravity? [closed]

A while ago I asked this question about if a planet 1/5th larger than earth could remain earth like. The top answers all seemed to agree that while the planet could be that much larger and still only ...
OT-64 SKOT's user avatar
  • 4,684
2 votes
1 answer
112 views

Chlorophyll-alternatives for plants in an Ammonia planet

I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved water ice, ...
Neil Iyer's user avatar
  • 1,553
2 votes
4 answers
273 views

How plausible is my continent-wide rainforest?

I’m trying to refine the worldbuilding for the planet featured in my story “Aleyara’s Descent” from the May/June 2023 Analog Science Fiction and Fact. The planet is 86% the diameter of Earth with 82% ...
Christopher Bennett's user avatar
3 votes
7 answers
2k views

Is it possible to use thermal pumping for power generation in space? [closed]

There's this one component that exists in real life that uses the thermoelectric effect to pump heat, basically, by creating a temperature differential using voltage. Is it possible to use this in ...
Colonel Cabbages's user avatar
11 votes
10 answers
3k views

Permanent Full moon via "Magic"

The Problem I had in mind giving my world a permanent full moon for a long time. Though I generally ran into 2 problems along the way. Firstly I wanted of course to make it appear as if it was always ...
Fallenspacerock's user avatar
5 votes
2 answers
92 views

Microorganism chemosynthesis on an Ammonia planet

I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved water ice, ...
Neil Iyer's user avatar
  • 1,553
4 votes
1 answer
58 views

What should be characteristics of orbit of planet with sustainable climate if north is covered by ocean and southern by desert?

Planet Artemis depicted at my pictures has totally different characteristics of northern and southern hemisphere. Northern hemisphere is covered mainly by ocean, southern by desert (except two seas, ...
GiuseppeZee's user avatar
3 votes
0 answers
166 views

Implications of a flat earth [closed]

I’m interested in exploring the implications of a flat earth with a sun much smaller and closer to the earth than our Sun, and which moves from east to west each day. Gravity just pulls down; it’s not ...
Charles's user avatar
  • 465
4 votes
1 answer
150 views

The rebirth of a language from a group of mute people

I am toying around with a corner case of a well explored scenario: post apocalyptic world human re-population. The added complication this time is that the group of survivors, by a sheer strike of ...
L.Dutch's user avatar
  • 292k
0 votes
3 answers
429 views

Avoiding a cataclysmic meteor shower

With what is available, with means of transportation or method, what would be best strategy to stay on the opposite side of the Earth during a cataclysmic meteor shower that may last for days?
Justintimeforfun's user avatar
0 votes
1 answer
116 views

What would trained dolphins actually be capable of?

I was quite surprised recently to find out that trained dolphins are used by the US Navy (as well as other countries') for a variety of purposes, including search and rescue, detection of submarines, ...
Richard Rast's user avatar